Lepola, J., Vauras, M. and Maki, H. 2020. Gender differences in the development of academic self-concept of attainment from the 2nd to the 6th grade: Relations with achievement and perceived motivational orientation. Psychology: the Journal of the Hellenic Psychological Society. 7, 3 (Oct. 2020), 290–308. DOI:https://doi.org/10.12681/psy_hps.24272.